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Starter Pulley

Part Number: 579427901
Husqvarna
Availability: 25+ in stock
Price: $2.99
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*This part replaces obsolete part #: 5045971-01 and 504597101.

Product Information
Manufacturer: Husqvarna
Product Number: 579427901
Classification: Part
Weight: 0.06 lbs.
Shipping: Ships Worldwide
Description:
This is an original replacement part manufactured for use with Husqvarna chainsaws. This plastic starter pulley is used to house the pull rope, and connects the the recoil spring cassette assembly. The pulley is sold individually, please see model diagram for additional parts that are available separately.
Products Compatibility

This item works with the following types of products:

  • • Chain Saw
  • • Saw
Questions & Answers

No questions have been asked yet
Repair Instructions: Submitted by Customers Like You
1 of 1 people found this instruction helpful
Tool Type:
Chain Saw
Parts Used:
Spring Cassette Assy - 540057502
Starter Pulley - 579427901
Snap - 503894701
Repair Difficulty:
Medium
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver
Broken cover snap, started rope was not going back in, not pulling over engine(started pulley broken)
For cover snap:
1) Remove broken snap (should just fall out because its broken)
2) Insert new snap in right direction

Starter pulley and cassette:
1) Remove starter cover(some models you might have to remove chain brake handle and or engine cover)
2) Unscrew the screw in the center of the starter pulley and carefully remove
3) If broken unscrew and replace cassette make sure to notice direction it sits in new one must go in the same way
4)After replacing cassette if needed put new rope and handle or move old one onto the new pulley
5)Place pulley back on being careful to set the pulley aligned with the cassette to not bend the spring screw down do not over tighten
6)Rewind the cassette to where the starter rope pulls back in snug and does not hang lose but also is not to tight
7)Replace starter cover and anything else that might have been needed to be removed carefully place the starter cover onto flywheel and turn slightly while pressing down to ensure proper placement of everything
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2 of 3 people found this instruction helpful
Tool Type:
Chain Saw
Parts Used:
Starter Pulley - 579427901
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver
Starter pawl springs were not installed correctly. Original starterpulley badley worn
1. Removed pull start assy.
2. Reinstalled starter pawl springs on flywheel.
3. Installed new starter pulley w/ new rope
4. Reinstalled pull start assy.
5. Started chainsaw
6. Pretty straight forward once I realized the pawl springs were not keeping enough tension on the pawls. This was after a new crankcase, piston and cylinder, along with several other pieces. Saw had been run so hot that the crankcase had melted around the clutch side of the engine.
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Tool Type:
Chain Saw
Parts Used:
Starter Pulley - 579427901
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Power Drill, cordless ratchet and allen wrench socket
Starter wouldn't connect with the flywheel
1. Remove starter housing (4 allen screws)
2. Untie rope from pull handle while keeping tension on the rope
3. Release tension on the rope slowly
4. Remove screw holding starter pulley
5. Remove starter pully and remove rope
6. Replace rope on new starter pully and install
7. Pull rope thru housing and put one turn of tension on the pully spring
8. Tie rope back to the handle and install housing
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Tool Type:
Chain Saw
Parts Used:
Starter Pulley - 579427901
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver
Chainsaw starter pulley was broken.
Removed broken part, replaced with new part.
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Tool Type:
Chain Saw
Parts Used:
Starter Assy, Std - 504597002
Starter Pulley - 579427901
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Pulley assembly broke.
Removed pulley assembly and installed new on.
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Tool Type:
Chain Saw
Parts Used:
Starter Pulley - 579427901
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver, Pliers, allen wrench
Chain saw pulley wore and broke
The repair was simple. I removed the cover pulled the broken pulley from the spring and put the new pulley on. Wound the spring and the cord and replaced the set screw that holds the pulley.
Replaced the cover on the chain saw and pulled the cord twice and the saw cranked.
The part was a perfect fit and for the price I ordered 2 just in case this one wears out or breaks.
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Tool Type:
Chain Saw
Parts Used:
Starter Pulley - 579427901
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver, Pliers, Wrench Set
Pulling starter rope did not turn over chain saw.
Pulled side panel off that housed starter rope. Untied end off pull cord while holding tension on rope. Slowly release presser and unwind starter spring. Loosen screw holding starter pulley and switch out. Tighten pulls bolt and start winding spring, holding tension on pulley, Thread new rope through pulley and tie off . Pull rope tight and feed through housing. Slowly allow rope to retract around pulley as spring releases. With some tension on rope, reinstall handle on rope and allow to contact housing. There should be tension on started rope trying to retract. If not, remove rope and put more turns on spring before attaching rope. Repeat install of rope and handle. Check main nut on chainsaw where starter pulley contacts to insure it is tight. Mine backed out. If not tight, use wrench to tighten with lock tight on but! Then reinstall side housing. Go through start procedure to insure chainsaw starts! Your done!
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Tool Type:
Chain Saw
Parts Used:
Starter Pulley - 579427901
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Chainsaw starter pulley broke
Took off the side cover, took off the broken pulley, untied the rope from inside the pulley, retied the rope in the new pulley, wound the rope onto the new pulley, reinstalled the new pulley and reinstalled the side cover.
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  • fast delivery !
    fit my chain saw & worked great!
    Guest - June 22, 2021 Verified Purchase
    great part
    fixed like new would tell anyone to order for you
    Guest - April 30, 2019 Verified Purchase
    Verified Purchase
    eReplacementParts Team
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    Product Information
    Manufacturer: Husqvarna
    Product Number: 579427901
    Classification: Part
    Weight: 0.06 lbs.
    Shipping: Ships Worldwide
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